| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 15% | $203,653,488 | 2,821,467 | BlackRock, Inc. | 31 Mar 2025 | |||
| MAIRS & POWER INC | 7.6% | $102,749,674 | 1,423,520 | Mairs and Power, Inc. | 31 Mar 2025 |
As of 30 Sep 2025, 257 institutional investors reported holding 17,555,556 shares of TENNANT CO - Common Stock (TNC). This represents 93% of the company’s total 18,809,780 outstanding shares.
The largest institutional shareholders of TENNANT CO - Common Stock (TNC) together control 72% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 15% | 2,764,614 | -2.4% | 0% | $224,099,648 |
| VANGUARD GROUP INC | 12% | 2,172,191 | -4.1% | 0% | $176,077,803 |
| MAIRS & POWER INC | 7.1% | 1,329,688 | -1.7% | 1% | $107,784,509 |
| STATE STREET CORP | 3.7% | 693,897 | -0.04% | 0% | $56,247,291 |
| DIMENSIONAL FUND ADVISORS LP | 3.1% | 578,262 | -1.9% | 0.01% | $46,872,456 |
| BROWN ADVISORY INC | 2.7% | 516,427 | -3% | 0.05% | $41,861,579 |
| GAMCO INVESTORS, INC. ET AL | 2.7% | 499,795 | +0.32% | 0.39% | $40,513,383 |
| P2 Capital Partners, LLC | 2.6% | 484,950 | -4% | 8.1% | $39,310,047 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.4% | 442,593 | -0.13% | 0% | $35,882,119 |
| AMERICAN CENTURY COMPANIES INC | 2.3% | 434,996 | +27% | 0.02% | $35,260,775 |
| VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. | 2.2% | 406,044 | +55% | 0.29% | $32,913,927 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 2.1% | 399,216 | +73% | 0.21% | $32,360,693 |
| Invenomic Capital Management LP | 1.8% | 329,915 | -5.9% | 1.4% | $26,742,910 |
| Vision One Management Partners, LP | 1.5% | 283,764 | +59% | 14% | $23,001,910 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.4% | 271,395 | +1.4% | 0% | $21,999,279 |
| MILLENNIUM MANAGEMENT LLC | 1.4% | 267,841 | -24% | 0.02% | $21,711,191 |
| FULLER & THALER ASSET MANAGEMENT, INC. | 1.4% | 254,966 | -40% | 0.07% | $20,667,505 |
| River Road Asset Management, LLC | 1.3% | 241,707 | +0.64% | 0.22% | $19,592,769 |
| FIRST TRUST ADVISORS LP | 1.3% | 235,471 | -0.49% | 0.01% | $19,087,279 |
| NORTHERN TRUST CORP | 1.1% | 214,489 | -2.4% | 0% | $17,386,478 |
| MORGAN STANLEY | 0.96% | 180,537 | -10% | 0% | $14,634,424 |
| GABELLI FUNDS LLC | 0.92% | 172,987 | 0% | 0.09% | $14,022,326 |
| Bank of New York Mellon Corp | 0.87% | 163,940 | -2.1% | 0% | $13,288,998 |
| Ceredex Value Advisors LLC | 0.77% | 145,750 | +2% | 0.27% | $11,814,495 |
| Lightrock Netherlands B.V. | 0.74% | 138,526 | +4% | 2.5% | $9,556,526 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 202,651 | $14,968,356 | -$1,073,086 | $73.70 | 21 |
| 2025 Q3 | 17,555,556 | $1,421,379,694 | -$24,842,216 | $81.06 | 257 |
| 2025 Q2 | 17,860,734 | $1,383,598,609 | +$6,604,665 | $77.48 | 245 |
| 2025 Q1 | 17,783,310 | $1,418,189,257 | -$9,989,321 | $79.75 | 247 |
| 2024 Q4 | 17,900,017 | $1,459,625,193 | +$16,075,331 | $81.53 | 259 |
| 2024 Q3 | 17,577,726 | $1,687,626,693 | -$25,588,414 | $96.04 | 255 |
| 2024 Q2 | 17,808,726 | $1,753,112,563 | +$9,062,552 | $98.44 | 249 |
| 2024 Q1 | 17,663,653 | $2,147,973,149 | +$53,918,696 | $121.61 | 248 |
| 2023 Q4 | 17,369,846 | $1,609,985,630 | -$3,810,678 | $92.69 | 236 |
| 2023 Q3 | 17,661,356 | $1,309,624,580 | +$39,871,069 | $74.15 | 215 |
| 2023 Q2 | 17,108,098 | $1,385,823,349 | -$24,657,283 | $81.11 | 186 |
| 2023 Q1 | 17,424,360 | $1,194,320,979 | +$819,394 | $68.53 | 173 |
| 2022 Q4 | 17,435,184 | $1,073,678,513 | +$42,167,387 | $61.57 | 153 |
| 2022 Q3 | 16,772,184 | $948,696,228 | +$801,758 | $56.56 | 146 |
| 2022 Q2 | 16,703,698 | $989,751,907 | +$9,056,756 | $59.25 | 144 |
| 2022 Q1 | 16,613,670 | $1,309,322,906 | +$20,109,038 | $78.80 | 164 |
| 2021 Q4 | 16,355,976 | $1,325,211,038 | -$1,687,780 | $81.04 | 171 |
| 2021 Q3 | 16,367,662 | $1,210,602,850 | -$4,252,545 | $73.95 | 179 |
| 2021 Q2 | 16,378,655 | $1,307,677,115 | -$4,888,567 | $79.85 | 192 |
| 2021 Q1 | 16,436,692 | $1,313,417,608 | +$8,237,994 | $79.89 | 171 |
| 2020 Q4 | 16,349,817 | $1,147,503,760 | -$3,125,905 | $70.17 | 168 |
| 2020 Q3 | 16,449,019 | $993,061,919 | -$62,278,903 | $60.36 | 160 |
| 2020 Q2 | 17,383,476 | $1,129,415,745 | +$66,964,490 | $65.01 | 158 |
| 2020 Q1 | 16,393,235 | $949,908,885 | +$5,519,524 | $57.95 | 153 |
| 2019 Q4 | 16,275,063 | $1,268,696,264 | +$14,944,612 | $77.92 | 160 |
| 2019 Q3 | 16,000,785 | $1,130,806,106 | +$31,765,139 | $70.70 | 151 |
| 2019 Q2 | 15,386,708 | $941,742,741 | -$1,326,317 | $61.20 | 138 |
| 2019 Q1 | 15,489,115 | $961,748,851 | -$1,543,724 | $62.09 | 149 |
| 2018 Q4 | 15,541,363 | $809,848,344 | -$26,028,916 | $52.11 | 140 |
| 2018 Q3 | 15,840,029 | $1,202,747,079 | +$11,512,044 | $75.95 | 153 |
| 2018 Q2 | 15,681,558 | $1,238,855,670 | -$16,148,455 | $79.00 | 144 |
| 2018 Q1 | 15,939,202 | $1,079,129,583 | -$25,647,478 | $67.70 | 135 |
| 2017 Q4 | 16,276,166 | $1,182,433,583 | -$21,714,578 | $72.65 | 147 |
| 2017 Q3 | 16,581,314 | $1,097,726,074 | +$50,609,272 | $66.20 | 139 |
| 2017 Q2 | 15,811,189 | $1,166,983,910 | +$3,196,801 | $73.80 | 142 |
| 2017 Q1 | 15,770,829 | $1,145,782,393 | +$153,623,013 | $72.65 | 144 |
| 2016 Q4 | 15,615,078 | $1,111,526,735 | +$9,816,850 | $71.20 | 151 |
| 2016 Q3 | 15,490,631 | $1,002,821,797 | +$11,724,375 | $64.80 | 139 |
| 2016 Q2 | 15,343,077 | $826,655,270 | -$1,038,635 | $53.87 | 136 |
| 2016 Q1 | 15,388,295 | $792,199,925 | +$10,686,292 | $51.48 | 138 |
| 2015 Q4 | 15,171,774 | $853,340,342 | -$18,244,512 | $56.26 | 142 |
| 2015 Q3 | 15,503,271 | $871,032,608 | -$27,183,759 | $56.18 | 144 |
| 2015 Q2 | 15,911,963 | $1,039,674,100 | -$1,547,680 | $65.34 | 145 |
| 2015 Q1 | 15,935,893 | $1,042,142,896 | -$2,664,178 | $65.37 | 144 |
| 2014 Q4 | 15,979,953 | $1,153,138,761 | +$1,024,321 | $72.17 | 142 |
| 2014 Q3 | 15,950,087 | $1,070,106,100 | -$14,780,032 | $67.09 | 151 |
| 2014 Q2 | 16,154,388 | $1,232,875,319 | -$15,404,193 | $76.32 | 139 |
| 2014 Q1 | 16,104,966 | $1,056,701,000 | -$2,859,943 | $65.62 | 130 |